Ntera's first product is NanoChromics, an ultra-thin display that looks like regular paper but can change what it displays, just like a computer screen or LCD.

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Before printing, the embedded dye crystals are clear, so the ZINK Paper looks like regular white photo paper.

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Its paper tray handles 150 sheets of regular letter size paper.

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It also hosts regular demonstrations and paper-making courses.

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In 2005, the 15- and 16-year-old duo decided to trade the paper version of the regular high school yearbook for the digital one. myYearbook was born, a social networking website that the brother and sister team worked with throughout high school.

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Of course, if you deal with the IRS on a regular basis, you know that using a paper app is the kiss of death: be prepared to wait four to six weeks for processing.

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The paper.li newspaper becomes a record of their regular activities and the information to which they have been exposed.

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However, regular current account holders at the banking group, as well as HSBC customers, receive paper statements every month.

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If newspapers matter, you would expect regular readers of those papers to have swung against the Tories by more than those who took a paper that remained consistently for them.

ECONOMIST: The press